Buggy code:
static final double MAX_INT_D = ( ( double ) ( Integer . MAX_VALUE ) ) ; protected static final int INT_0 = '0' ; protected static final int INT_1 = '1' ; protected static final int INT_2 = '2' ; protected static final int INT_3 = '3' ; protected static final int INT_4 = '4' ; protected static final int INT_5 = '5' ; protected static final int INT_6 = '6' ; protected static final int INT_7 = '7' ; protected static final int INT_8 = '8' ; protected static final int INT_9 = '9' ; protected static final int INT_MINUS = '-' ; protected static final int INT_PLUS = '+' ; protected static final int INT_DECIMAL_POINT = '.' ; protected static final int INT_e = 'e' ; protected static final int INT_E = 'E' ; protected static final char CHAR_NULL = '' ; protected int _numTypesValid = CsvReader . NR_UNKNOWN ; protected int _numberInt ; protected long _numberLong ; protected double _numberDouble ; protected BigInteger _numberBigInt ; protected BigDecimal _numberBigDecimal ; protected boolean _numberNegative ; protected int _intLength ; protected int _fractLength ; protected int _expLength ; JsonToken _currToken = null ; public CsvReader ( CsvParser owner , IOContext ctxt , Reader r , CsvSchema schema , TextBuffer textBuffer , boolean autoCloseInput , boolean trimSpaces ) { } public void setSchema ( CsvSchema schema ) { } public Object getInputSource ( ) { } public boolean isClosed ( ) { } public void close ( ) throws IOException { } public int releaseBuffered ( Writer out ) throws IOException { } public JsonReadContext childArrayContext ( JsonReadContext context ) { } public JsonReadContext childObjectContext ( JsonReadContext context ) { } public JsonLocation getTokenLocation ( ) { } public JsonLocation getCurrentLocation ( ) { } protected final long getTokenCharacterOffset ( ) { } protected final int getTokenLineNr ( ) { } protected final int getTokenColumnNr ( ) { } protected void releaseBuffers ( ) throws IOException { } protected void _closeInput ( ) throws IOException { } protected final boolean loadMore ( ) throws IOException { } public String getText ( ) { } public boolean hasMoreInput ( ) throws JsonParseException , IOException { } public boolean startNewLine ( ) throws JsonParseException , IOException { } public boolean skipLine ( ) throws JsonParseException , IOException { } public String nextString ( ) throws JsonParseException , IOException { _numTypesValid = CsvReader . NR_UNKNOWN ; if ( ( _pendingLF ) > 0 ) { if ( ( _inputSource ) != null ) { _handleLF ( ) ; } return null ; } int i ; if ( _trimSpaces ) { i = _skipLeadingSpace ( ) ; } else { i = _nextChar ( ) ; } if ( i < 0 ) { return "" ; } if ( ( i == ( CsvReader . INT_CR ) ) || ( i == ( CsvReader . INT_LF ) ) ) { _pendingLF = i ; return "" ; } if ( i == ( _quoteChar ) ) { return _nextQuotedString ( ) ; } if ( i == ( _separatorChar ) ) { _textBuffer . resetWithString ( "" ) ; return "" ; } char [ ] outBuf = _textBuffer . emptyAndGetCurrentSegment ( ) ; outBuf [ 0 ] = ( ( char ) ( i ) ) ; int outPtr = 1 ; int ptr = _inputPtr ; if ( ptr >= ( _inputEnd ) ) { if ( ! ( loadMore ( ) ) ) { return _textBuffer . finishAndReturn ( outPtr , _trimSpaces ) ; } ptr = _inputPtr ; } final int end ; { <START_BUG> int max = Math . min ( ( ( _inputEnd ) - ptr ) , outBuf . length ) ; <END_BUG> end = ptr + max ; } char [ ] inputBuffer = _inputBuffer ; while ( ptr < end ) { char c = inputBuffer [ ( ptr ++ ) ] ; if ( c <= ( _maxSpecialChar ) ) { if ( c == ( _separatorChar ) ) { _inputPtr = ptr ; return _textBuffer . finishAndReturn ( outPtr , _trimSpaces ) ; } if ( ( c == '\r' ) || ( c == '\n' ) ) { _pendingLF = c ; _inputPtr = ptr ; return _textBuffer . finishAndReturn ( outPtr , _trimSpaces ) ; } if ( c == ( _escapeChar ) ) { -- ptr ; break ; } } outBuf [ ( outPtr ++ ) ] = ( ( char ) ( c ) ) ; } _inputPtr = ptr ; return _nextUnquotedString ( outBuf , outPtr ) ; } public JsonToken nextStringOrLiteral ( ) throws JsonParseException , IOException { } public JsonToken nextNumber ( ) throws JsonParseException , IOException { } public JsonToken nextNumberOrString ( ) throws JsonParseException , IOException { } protected String _nextUnquotedString ( char [ ] outBuf , int outPtr ) throws JsonParseException , IOException { } protected String _nextQuotedString ( ) throws JsonParseException , IOException { } protected final void _handleLF ( ) throws JsonParseException , IOException { } protected char _unescape ( ) throws JsonParseException , IOException { } protected int _nextChar ( ) throws JsonParseException , IOException { } protected int _skipLeadingSpace ( ) throws JsonParseException , IOException { } public Number getNumberValue ( ) throws JsonParseException , IOException { } public NumberType getNumberType ( ) throws JsonParseException , IOException { } public int getIntValue ( ) throws JsonParseException , IOException { } public long getLongValue ( ) throws JsonParseException , IOException { } public BigInteger getBigIntegerValue ( ) throws JsonParseException , IOException { } public float getFloatValue ( ) throws JsonParseException , IOException { } public double getDoubleValue ( ) throws JsonParseException , IOException { } public BigDecimal getDecimalValue ( ) throws JsonParseException , IOException { } protected void _parseNumericValue ( int expType ) throws JsonParseException , IOException { } private final void _parseSlowFloatValue ( int expType ) throws JsonParseException , IOException { }

Fix:
int max = Math . min ( ( ( _inputEnd ) - ptr ) , ( ( outBuf . length ) - outPtr ) ) ;